body,
ul,
li,
button,
input{
    margin: 0;
    padding: 0;
}
header{
    box-sizing: border-box;
    /*height: 40vw;*/
    padding: 6.66vw;
    border-bottom: #EFF0F4 1.3vw solid;
}
header>img{
    float: left;
    width: 16vw;
    height: 16vw;
    border-radius: 50%;
    border: .8vw white solid;
    box-shadow: 0 1.33vw 2vw .65vw rgba(0,0,0, 0.05);
    margin-right: 8vw;
}
header>span{
    line-height: 16.8vw;
    font-weight: bold;
    font-size: 5.3vw;
    color: #333333;
}

section>div:after{
    content: '';
    display: block;
    clear: both;
}
section>div{
    padding: 4vw;
    border-bottom: .16vw #EFF0F4 solid;
}
section>div>img:first-child{
    display: inline-block;
    float: left;
    width: 4.8vw;
    height: 4.8vw;
    margin-right: 2.66vw;
    vertical-align: middle;
}
section>div>img:last-child{
    display: inline-block;
    float: right;
    width: 6.4vw;
    height: 6.4vw;
    vertical-align: middle;
}
section>div>span {
    display: inline-block;
    float: left;
    font-size: 4vw;
    vertical-align: top;
}

nav{
    position: fixed;
    bottom: 0;
    width: 100vw;
    height: 13vw;
    background-color: #EFF0F4;
    display: flex;
}
nav>button{
    display: block;
    flex:1;
    background: transparent;
    border: none;
    font-size: 2.66vw;
    color: #999999;
}
nav>button.chosen{
    color: #30AF92;
}
nav>button>img{
    display: block;
    width: 6.4vw;
    height: 6.4vw;
    margin: 0 auto;
}